I have had the same issue as the parent yesterday.
The server is internet connected and remotely managed by me, but is 300Km away at the moment!. I could not install
Eventually found a post that suggested I use a Win8 ISO which the components are the same. As I had one locally on the machine I use to to run up VM's Remotely I could use that instead.
Only took 1 hour of googling !
My main gripe is what the F*&k is older version of